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Did some code checks for BUG-1708, used resharper to clean up some things. Added timeout values, but couldn't find a solution yet.

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This commit is contained in:
RKrom 2014-11-29 20:55:11 +01:00
commit 0d59072bc1
3 changed files with 100 additions and 77 deletions
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12
GreenshotPlugin/Core/CoreConfiguration.cs
View file

@ -291,6 +291,11 @@ namespace GreenshotPlugin.Core {
} }
} }
[IniProperty("WebRequestTimeout", Description = "The connect timeout value for webrequets, these are seconds", DefaultValue = "10")]
public int WebRequestTimeout;
[IniProperty("WebRequestReadWriteTimeout", Description = "The read/write timeout value for webrequets, these are seconds", DefaultValue = "100")]
public int WebRequestReadWriteTimeout;
/// <summary> /// <summary>
/// Specifies what THIS build is /// Specifies what THIS build is
/// </summary> /// </summary>
@ -492,6 +497,13 @@ namespace GreenshotPlugin.Core {
if (OutputFileReduceColorsTo > 256) { if (OutputFileReduceColorsTo > 256) {
OutputFileReduceColorsTo = 256; OutputFileReduceColorsTo = 256;
} }
if (WebRequestTimeout < 1) {
WebRequestTimeout = 10;
}
if (WebRequestReadWriteTimeout < 1) {
WebRequestReadWriteTimeout = 100;
}
} }
} }

161
GreenshotPlugin/Core/NetworkHelper.cs
View file

@ -18,19 +18,19 @@
* You should have received a copy of the GNU General Public License * You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>. * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/ */
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Globalization;
using System.IO;
using System.Net;
using System.Net.Security;
using System.Security.Cryptography.X509Certificates;
using System.Text;
using System.Text.RegularExpressions;
using Greenshot.IniFile; using Greenshot.IniFile;
using Greenshot.Plugin; using Greenshot.Plugin;
using log4net; using log4net;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Imaging;
using System.Globalization;
using System.IO;
using System.Net;
using System.Text;
using System.Text.RegularExpressions;
namespace GreenshotPlugin.Core { namespace GreenshotPlugin.Core {
/// <summary> /// <summary>
@ -38,23 +38,23 @@ namespace GreenshotPlugin.Core {
/// </summary> /// </summary>
public static class NetworkHelper { public static class NetworkHelper {
private static readonly ILog LOG = LogManager.GetLogger(typeof(NetworkHelper)); private static readonly ILog LOG = LogManager.GetLogger(typeof(NetworkHelper));
private static CoreConfiguration config = IniConfig.GetIniSection<CoreConfiguration>(); private static readonly CoreConfiguration Config = IniConfig.GetIniSection<CoreConfiguration>();
static NetworkHelper() { static NetworkHelper() {
// Disable certificate checking // Disable certificate checking
ServicePointManager.ServerCertificateValidationCallback += ServicePointManager.ServerCertificateValidationCallback +=
delegate(object sender, X509Certificate cert, X509Chain chain, SslPolicyErrors sslError) { delegate {
bool validationResult = true; return true;
return validationResult;
}; };
} }
/// <summary> /// <summary>
/// Download a uri response as string /// Download a uri response as string
/// </summary> /// </summary>
/// <param name="uri">An Uri to specify the download location</param> /// <param name="uri">An Uri to specify the download location</param>
/// <returns>string with the file content</returns> /// <returns>string with the file content</returns>
public static string GetAsString(Uri uri) { public static string GetAsString(Uri uri) {
HttpWebRequest webRequest = (HttpWebRequest)CreateWebRequest(uri); HttpWebRequest webRequest = CreateWebRequest(uri);
webRequest.Method = "GET"; webRequest.Method = "GET";
webRequest.KeepAlive = true; webRequest.KeepAlive = true;
webRequest.Credentials = CredentialCache.DefaultCredentials; webRequest.Credentials = CredentialCache.DefaultCredentials;
@ -69,16 +69,19 @@ namespace GreenshotPlugin.Core {
public static Bitmap DownloadFavIcon(Uri baseUri) { public static Bitmap DownloadFavIcon(Uri baseUri) {
Uri url = new Uri(baseUri, new Uri("favicon.ico")); Uri url = new Uri(baseUri, new Uri("favicon.ico"));
try { try {
HttpWebRequest request = (HttpWebRequest)CreateWebRequest(url); HttpWebRequest request = CreateWebRequest(url);
HttpWebResponse response = (HttpWebResponse)request.GetResponse(); HttpWebResponse response = (HttpWebResponse)request.GetResponse();
if (request.HaveResponse) { if (request.HaveResponse) {
using (Image image = Image.FromStream(response.GetResponseStream())) { using (Stream responseStream = response.GetResponseStream()) {
return (image.Height > 16 && image.Width > 16) ? new Bitmap(image, 16, 16) : new Bitmap(image); if (responseStream != null) {
using (Image image = Image.FromStream(responseStream)) {
return (image.Height > 16 && image.Width > 16) ? new Bitmap(image, 16, 16) : new Bitmap(image);
}
}
} }
} }
} catch (Exception e) { } catch (Exception e) {
LOG.Error("Problem downloading the FavIcon from: " + baseUri.ToString(), e); LOG.Error("Problem downloading the FavIcon from: " + baseUri, e);
} }
return null; return null;
} }
@ -86,15 +89,19 @@ namespace GreenshotPlugin.Core {
/// <summary> /// <summary>
/// Download the uri to Bitmap /// Download the uri to Bitmap
/// </summary> /// </summary>
/// <param name="baseUri"></param> /// <param name="url">Of an image</param>
/// <returns>Bitmap</returns> /// <returns>Bitmap</returns>
public static Image DownloadImage(string url) { public static Image DownloadImage(string url) {
try { try {
HttpWebRequest request = (HttpWebRequest)CreateWebRequest(url); HttpWebRequest request = CreateWebRequest(url);
HttpWebResponse response = (HttpWebResponse)request.GetResponse(); HttpWebResponse response = (HttpWebResponse)request.GetResponse();
if (request.HaveResponse) { if (request.HaveResponse) {
using (Image image = Image.FromStream(response.GetResponseStream())) { using (Stream responseStream = response.GetResponseStream()) {
return ImageHelper.Clone(image, System.Drawing.Imaging.PixelFormat.Format32bppArgb); if (responseStream != null) {
using (Image image = Image.FromStream(responseStream)) {
return ImageHelper.Clone(image, PixelFormat.Format32bppArgb);
}
}
} }
} }
} catch (Exception e) { } catch (Exception e) {
@ -108,7 +115,7 @@ namespace GreenshotPlugin.Core {
/// </summary> /// </summary>
/// <param name="uri">string with uri to connect to</param> /// <param name="uri">string with uri to connect to</param>
/// <returns>WebRequest</returns> /// <returns>WebRequest</returns>
public static WebRequest CreateWebRequest(string uri) { public static HttpWebRequest CreateWebRequest(string uri) {
return CreateWebRequest(new Uri(uri)); return CreateWebRequest(new Uri(uri));
} }
@ -117,12 +124,16 @@ namespace GreenshotPlugin.Core {
/// </summary> /// </summary>
/// <param name="uri">Uri with uri to connect to</param> /// <param name="uri">Uri with uri to connect to</param>
/// <returns>WebRequest</returns> /// <returns>WebRequest</returns>
public static WebRequest CreateWebRequest(Uri uri) { public static HttpWebRequest CreateWebRequest(Uri uri) {
WebRequest webRequest = WebRequest.Create(uri); HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(uri);
if (config.UseProxy) { if (Config.UseProxy) {
webRequest.Proxy = CreateProxy(uri); webRequest.Proxy = CreateProxy(uri);
//webRequest.Proxy.Credentials = CredentialCache.DefaultCredentials; //webRequest.Proxy.Credentials = CredentialCache.DefaultCredentials;
} }
webRequest.AllowAutoRedirect = true;
// Set default timeouts
webRequest.Timeout = Config.WebRequestTimeout*1000;
webRequest.ReadWriteTimeout = Config.WebRequestReadWriteTimeout*1000;
return webRequest; return webRequest;
} }
@ -131,11 +142,11 @@ namespace GreenshotPlugin.Core {
/// This method will check the configuration if the proxy is allowed to be used. /// This method will check the configuration if the proxy is allowed to be used.
/// Usages can be found in the DownloadFavIcon or Jira and Confluence plugins /// Usages can be found in the DownloadFavIcon or Jira and Confluence plugins
/// </summary> /// </summary>
/// <param name="url"></param> /// <param name="uri"></param>
/// <returns>IWebProxy filled with all the proxy details or null if none is set/wanted</returns> /// <returns>IWebProxy filled with all the proxy details or null if none is set/wanted</returns>
public static IWebProxy CreateProxy(Uri uri) { public static IWebProxy CreateProxy(Uri uri) {
IWebProxy proxyToUse = null; IWebProxy proxyToUse = null;
if (config.UseProxy) { if (Config.UseProxy) {
proxyToUse = WebRequest.DefaultWebProxy; proxyToUse = WebRequest.DefaultWebProxy;
if (proxyToUse != null) { if (proxyToUse != null) {
proxyToUse.Credentials = CredentialCache.DefaultCredentials; proxyToUse.Credentials = CredentialCache.DefaultCredentials;
@ -144,12 +155,12 @@ namespace GreenshotPlugin.Core {
if (!proxyToUse.IsBypassed(uri)) { if (!proxyToUse.IsBypassed(uri)) {
Uri proxyUri = proxyToUse.GetProxy(uri); Uri proxyUri = proxyToUse.GetProxy(uri);
if (proxyUri != null) { if (proxyUri != null) {
LOG.Debug("Using proxy: " + proxyUri.ToString() + " for " + uri.ToString()); LOG.Debug("Using proxy: " + proxyUri + " for " + uri);
} else { } else {
LOG.Debug("No proxy found!"); LOG.Debug("No proxy found!");
} }
} else { } else {
LOG.Debug("Proxy bypass for: " + uri.ToString()); LOG.Debug("Proxy bypass for: " + uri);
} }
} }
} else { } else {
@ -162,7 +173,7 @@ namespace GreenshotPlugin.Core {
/// <summary> /// <summary>
/// UrlEncodes a string without the requirement for System.Web /// UrlEncodes a string without the requirement for System.Web
/// </summary> /// </summary>
/// <param name="String"></param> /// <param name="text"></param>
/// <returns></returns> /// <returns></returns>
// [Obsolete("Use System.Uri.EscapeDataString instead")] // [Obsolete("Use System.Uri.EscapeDataString instead")]
public static string UrlEncode(string text) { public static string UrlEncode(string text) {
@ -208,15 +219,15 @@ namespace GreenshotPlugin.Core {
/// <summary> /// <summary>
/// ParseQueryString without the requirement for System.Web /// ParseQueryString without the requirement for System.Web
/// </summary> /// </summary>
/// <param name="s"></param> /// <param name="queryString"></param>
/// <returns>Dictionary<string, string></returns> /// <returns>IDictionary string, string</returns>
public static IDictionary<string, string> ParseQueryString(string s) { public static IDictionary<string, string> ParseQueryString(string queryString) {
IDictionary<string, string> parameters = new SortedDictionary<string, string>(); IDictionary<string, string> parameters = new SortedDictionary<string, string>();
// remove anything other than query string from uri // remove anything other than query string from uri
if (s.Contains("?")) { if (queryString.Contains("?")) {
s = s.Substring(s.IndexOf('?') + 1); queryString = queryString.Substring(queryString.IndexOf('?') + 1);
} }
foreach (string vp in Regex.Split(s, "&")) { foreach (string vp in Regex.Split(queryString, "&")) {
if (string.IsNullOrEmpty(vp)) { if (string.IsNullOrEmpty(vp)) {
continue; continue;
} }
@ -224,12 +235,7 @@ namespace GreenshotPlugin.Core {
if (parameters.ContainsKey(singlePair[0])) { if (parameters.ContainsKey(singlePair[0])) {
parameters.Remove(singlePair[0]); parameters.Remove(singlePair[0]);
} }
if (singlePair.Length == 2) { parameters.Add(singlePair[0], singlePair.Length == 2 ? singlePair[1] : string.Empty);
parameters.Add(singlePair[0], singlePair[1]);
} else {
// only one key with no value specified in query string
parameters.Add(singlePair[0], string.Empty);
}
} }
return parameters; return parameters;
} }
@ -271,7 +277,7 @@ namespace GreenshotPlugin.Core {
/// <summary> /// <summary>
/// Write Multipart Form Data to the HttpListenerResponse /// Write Multipart Form Data to the HttpListenerResponse
/// </summary> /// </summary>
/// <param name="webRequest">HttpWebRequest to write the multipart form data to</param> /// <param name="response">HttpListenerResponse</param>
/// <param name="postParameters">Parameters to include in the multipart form data</param> /// <param name="postParameters">Parameters to include in the multipart form data</param>
public static void WriteMultipartFormData(HttpListenerResponse response, IDictionary<string, object> postParameters) { public static void WriteMultipartFormData(HttpListenerResponse response, IDictionary<string, object> postParameters) {
string boundary = String.Format("----------{0:N}", Guid.NewGuid()); string boundary = String.Format("----------{0:N}", Guid.NewGuid());
@ -286,15 +292,15 @@ namespace GreenshotPlugin.Core {
/// <param name="boundary">String boundary for the multipart/form-data</param> /// <param name="boundary">String boundary for the multipart/form-data</param>
/// <param name="postParameters">Parameters to include in the multipart form data</param> /// <param name="postParameters">Parameters to include in the multipart form data</param>
public static void WriteMultipartFormData(Stream formDataStream, string boundary, IDictionary<string, object> postParameters) { public static void WriteMultipartFormData(Stream formDataStream, string boundary, IDictionary<string, object> postParameters) {
bool needsCLRF = false; bool needsClrf = false;
foreach (var param in postParameters) { foreach (var param in postParameters) {
// Add a CRLF to allow multiple parameters to be added. // Add a CRLF to allow multiple parameters to be added.
// Skip it on the first parameter, add it to subsequent parameters. // Skip it on the first parameter, add it to subsequent parameters.
if (needsCLRF) { if (needsClrf) {
formDataStream.Write(Encoding.UTF8.GetBytes("\r\n"), 0, Encoding.UTF8.GetByteCount("\r\n")); formDataStream.Write(Encoding.UTF8.GetBytes("\r\n"), 0, Encoding.UTF8.GetByteCount("\r\n"));
} }
needsCLRF = true; needsClrf = true;
if (param.Value is IBinaryContainer) { if (param.Value is IBinaryContainer) {
IBinaryContainer binaryParameter = (IBinaryContainer)param.Value; IBinaryContainer binaryParameter = (IBinaryContainer)param.Value;
@ -322,7 +328,7 @@ namespace GreenshotPlugin.Core {
public static string GetResponse(HttpWebRequest webRequest) { public static string GetResponse(HttpWebRequest webRequest) {
string responseData = null; string responseData = null;
try { try {
HttpWebResponse response = (HttpWebResponse)webRequest.GetResponse(); HttpWebResponse response = (HttpWebResponse) webRequest.GetResponse();
LOG.InfoFormat("Response status: {0}", response.StatusCode); LOG.InfoFormat("Response status: {0}", response.StatusCode);
bool isHttpError = (int) response.StatusCode >= 300; bool isHttpError = (int) response.StatusCode >= 300;
Stream responseStream = response.GetResponseStream(); Stream responseStream = response.GetResponseStream();
@ -335,14 +341,16 @@ namespace GreenshotPlugin.Core {
} }
} }
} catch (WebException e) { } catch (WebException e) {
HttpWebResponse response = (HttpWebResponse)e.Response; HttpWebResponse response = (HttpWebResponse) e.Response;
using (Stream responseStream = response.GetResponseStream()) { if (response != null) {
if (responseStream != null) { LOG.ErrorFormat("HTTP error {0}", response.StatusCode);
LOG.ErrorFormat("HTTP error {0} with content: {1}", response.StatusCode, new StreamReader(responseStream, true).ReadToEnd()); using (Stream responseStream = response.GetResponseStream()) {
} else { if (responseStream != null) {
LOG.ErrorFormat("HTTP error {0}", response.StatusCode); LOG.ErrorFormat("Content: {0}", new StreamReader(responseStream, true).ReadToEnd());
}
} }
} }
LOG.Error("WebException: ", e);
throw; throw;
} }
@ -357,7 +365,7 @@ namespace GreenshotPlugin.Core {
public static DateTime GetLastModified(Uri uri) { public static DateTime GetLastModified(Uri uri) {
HttpWebRequest webRequest; HttpWebRequest webRequest;
try { try {
webRequest = (HttpWebRequest)NetworkHelper.CreateWebRequest(uri); webRequest = (HttpWebRequest)CreateWebRequest(uri);
webRequest.Method = "HEAD"; webRequest.Method = "HEAD";
HttpWebResponse webResponse = (HttpWebResponse)webRequest.GetResponse(); HttpWebResponse webResponse = (HttpWebResponse)webRequest.GetResponse();
LOG.DebugFormat("RSS feed was updated at {0}", webResponse.LastModified); LOG.DebugFormat("RSS feed was updated at {0}", webResponse.LastModified);
@ -375,7 +383,7 @@ namespace GreenshotPlugin.Core {
/// This interface can be used to pass binary information around, like byte[] or Image /// This interface can be used to pass binary information around, like byte[] or Image
/// </summary> /// </summary>
public interface IBinaryContainer { public interface IBinaryContainer {
void WriteFormDataToStream(string boundary, string key, Stream formDataStream); void WriteFormDataToStream(string boundary, string name, Stream formDataStream);
void WriteToStream(Stream formDataStream); void WriteToStream(Stream formDataStream);
string ToBase64String(Base64FormattingOptions formattingOptions); string ToBase64String(Base64FormattingOptions formattingOptions);
byte[] ToByteArray(); byte[] ToByteArray();
@ -426,14 +434,15 @@ namespace GreenshotPlugin.Core {
/// <summary> /// <summary>
/// Write Multipart Form Data directly to the HttpWebRequest response stream /// Write Multipart Form Data directly to the HttpWebRequest response stream
/// </summary> /// </summary>
/// <param name="webRequest">HttpWebRequest to write the multipart form data to</param> /// <param name="boundary">Separator</param>
/// <param name="postParameters">Parameters to include in the multipart form data</param> /// <param name="name">name</param>
public void WriteFormDataToStream(string boundary, string key, Stream formDataStream) { /// <param name="formDataStream">Stream to write to</param>
public void WriteFormDataToStream(string boundary, string name, Stream formDataStream) {
// Add just the first part of this param, since we will write the file data directly to the Stream // Add just the first part of this param, since we will write the file data directly to the Stream
string header = string.Format("--{0}\r\nContent-Disposition: form-data; name=\"{1}\"; filename=\"{2}\";\r\nContent-Type: {3}\r\n\r\n", string header = string.Format("--{0}\r\nContent-Disposition: form-data; name=\"{1}\"; filename=\"{2}\";\r\nContent-Type: {3}\r\n\r\n",
boundary, boundary,
key, name,
fileName ?? key, fileName ?? name,
contentType ?? "application/octet-stream"); contentType ?? "application/octet-stream");
formDataStream.Write(Encoding.UTF8.GetBytes(header), 0, Encoding.UTF8.GetByteCount(header)); formDataStream.Write(Encoding.UTF8.GetBytes(header), 0, Encoding.UTF8.GetByteCount(header));
@ -445,7 +454,7 @@ namespace GreenshotPlugin.Core {
/// <summary> /// <summary>
/// A plain "write data to stream" /// A plain "write data to stream"
/// </summary> /// </summary>
/// <param name="dataStream"></param> /// <param name="dataStream">Stream to write to</param>
public void WriteToStream(Stream dataStream) { public void WriteToStream(Stream dataStream) {
// Write the file data directly to the Stream, rather than serializing it to a string. // Write the file data directly to the Stream, rather than serializing it to a string.
dataStream.Write(file, 0, fileSize); dataStream.Write(file, 0, fileSize);
@ -505,14 +514,15 @@ namespace GreenshotPlugin.Core {
/// <summary> /// <summary>
/// Write Multipart Form Data directly to the HttpWebRequest response stream /// Write Multipart Form Data directly to the HttpWebRequest response stream
/// </summary> /// </summary>
/// <param name="webRequest">HttpWebRequest to write the multipart form data to</param> /// <param name="boundary">Separator</param>
/// <param name="postParameters">Parameters to include in the multipart form data</param> /// <param name="name">Name of the thing/file</param>
public void WriteFormDataToStream(string boundary, string key, Stream formDataStream) { /// <param name="formDataStream">Stream to write to</param>
public void WriteFormDataToStream(string boundary, string name, Stream formDataStream) {
// Add just the first part of this param, since we will write the file data directly to the Stream // Add just the first part of this param, since we will write the file data directly to the Stream
string header = string.Format("--{0}\r\nContent-Disposition: form-data; name=\"{1}\"; filename=\"{2}\";\r\nContent-Type: {3}\r\n\r\n", string header = string.Format("--{0}\r\nContent-Disposition: form-data; name=\"{1}\"; filename=\"{2}\";\r\nContent-Type: {3}\r\n\r\n",
boundary, boundary,
key, name,
fileName ?? key, fileName ?? name,
"image/" + outputSettings.Format.ToString()); "image/" + outputSettings.Format.ToString());
formDataStream.Write(Encoding.UTF8.GetBytes(header), 0, Encoding.UTF8.GetByteCount(header)); formDataStream.Write(Encoding.UTF8.GetBytes(header), 0, Encoding.UTF8.GetByteCount(header));
@ -581,15 +591,16 @@ namespace GreenshotPlugin.Core {
/// <summary> /// <summary>
/// Write Multipart Form Data directly to the HttpWebRequest response stream /// Write Multipart Form Data directly to the HttpWebRequest response stream
/// </summary> /// </summary>
/// <param name="webRequest">HttpWebRequest to write the multipart form data to</param> /// <param name="boundary">Multipart separator</param>
/// <param name="postParameters">Parameters to include in the multipart form data</param> /// <param name="name">Name of the thing</param>
public void WriteFormDataToStream(string boundary, string key, Stream formDataStream) { /// <param name="formDataStream">Stream to write to</param>
public void WriteFormDataToStream(string boundary, string name, Stream formDataStream) {
// Add just the first part of this param, since we will write the file data directly to the Stream // Add just the first part of this param, since we will write the file data directly to the Stream
string header = string.Format("--{0}\r\nContent-Disposition: form-data; name=\"{1}\"; filename=\"{2}\";\r\nContent-Type: {3}\r\n\r\n", string header = string.Format("--{0}\r\nContent-Disposition: form-data; name=\"{1}\"; filename=\"{2}\";\r\nContent-Type: {3}\r\n\r\n",
boundary, boundary,
key, name,
fileName ?? key, fileName ?? name,
"image/" + outputSettings.Format.ToString()); "image/" + outputSettings.Format);
formDataStream.Write(Encoding.UTF8.GetBytes(header), 0, Encoding.UTF8.GetByteCount(header)); formDataStream.Write(Encoding.UTF8.GetBytes(header), 0, Encoding.UTF8.GetByteCount(header));
ImageOutput.SaveToStream(surface, formDataStream, outputSettings); ImageOutput.SaveToStream(surface, formDataStream, outputSettings);

4
GreenshotPlugin/Core/OAuthHelper.cs
View file

@ -672,11 +672,11 @@ namespace GreenshotPlugin.Core {
} }
} }
// Create webrequest // Create webrequest
HttpWebRequest webRequest = (HttpWebRequest)NetworkHelper.CreateWebRequest(requestURL); HttpWebRequest webRequest = NetworkHelper.CreateWebRequest(requestURL);
webRequest.Method = method.ToString(); webRequest.Method = method.ToString();
webRequest.ServicePoint.Expect100Continue = false; webRequest.ServicePoint.Expect100Continue = false;
webRequest.UserAgent = _userAgent; webRequest.UserAgent = _userAgent;
webRequest.Timeout = 20000; webRequest.Timeout = 100000;
if (UseHTTPHeadersForAuthorization && authHeader != null) { if (UseHTTPHeadersForAuthorization && authHeader != null) {
LOG.DebugFormat("Authorization: OAuth {0}", authHeader); LOG.DebugFormat("Authorization: OAuth {0}", authHeader);